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Date:   Thu, 26 Nov 2020 16:56:18 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Josef Bacik <josef@...icpanda.com>
Cc:     David Sterba <dsterba@...e.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        lkp@...ts.01.org, lkp@...el.com, linux-btrfs@...r.kernel.org
Subject: [btrfs]  ccb0edc68b: xfstests.btrfs.179.fail


Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: ccb0edc68b690d0a62e9377ab509eb2f7cb610d3 ("btrfs: stop running all delayed refs during snapshot")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master


in testcase: xfstests
version: xfstests-x86_64-d41dcbd-1_20201116
with following parameters:

	disk: 6HDD
	fs: btrfs
	test: btrfs-group-03
	ucode: 0x28

test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git


on test machine: 8 threads Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 8G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>

2020-11-25 22:50:45 export TEST_DIR=/fs/sdb1
2020-11-25 22:50:45 export TEST_DEV=/dev/sdb1
2020-11-25 22:50:45 export FSTYP=btrfs
2020-11-25 22:50:45 export SCRATCH_MNT=/fs/scratch
2020-11-25 22:50:45 mkdir /fs/scratch -p
2020-11-25 22:50:45 export SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
2020-11-25 22:50:45 sed "s:^:btrfs/:" //lkp/benchmarks/xfstests/tests/btrfs-group-03
2020-11-25 22:50:45 ./check btrfs/150 btrfs/151 btrfs/152 btrfs/153 btrfs/155 btrfs/156 btrfs/157 btrfs/158 btrfs/159 btrfs/160 btrfs/161 btrfs/162 btrfs/163 btrfs/164 btrfs/165 btrfs/166 btrfs/167 btrfs/168 btrfs/169 btrfs/170 btrfs/171 btrfs/172 btrfs/173 btrfs/174 btrfs/175 btrfs/176 btrfs/177 btrfs/178 btrfs/179 btrfs/180 btrfs/181 btrfs/182 btrfs/183 btrfs/184 btrfs/185 btrfs/186 btrfs/187 btrfs/188 btrfs/189 btrfs/190 btrfs/191 btrfs/192 btrfs/193 btrfs/194 btrfs/195 btrfs/196 btrfs/197 btrfs/198 btrfs/199
FSTYP         -- btrfs
PLATFORM      -- Linux/x86_64 lkp-hsw-d01 5.10.0-rc5-00155-gccb0edc68b69 #1 SMP Thu Nov 26 04:34:38 CST 2020
MKFS_OPTIONS  -- /dev/sdb2
MOUNT_OPTIONS -- /dev/sdb2 /fs/scratch

btrfs/150	 1s
btrfs/151	 2s
btrfs/152	 6s
btrfs/153	 3s
btrfs/155	 1s
btrfs/156	[not run] FITRIM not supported on /fs/scratch
btrfs/157	 2s
btrfs/158	 2s
btrfs/159	 11s
btrfs/160	 2s
btrfs/161	 1s
btrfs/162	 3s
btrfs/163	- output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/163.out.bad)
    --- tests/btrfs/163.out	2020-11-16 06:09:57.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//btrfs/163.out.bad	2020-11-25 22:51:22.553853766 +0000
    @@ -1,8 +1,10 @@
     QA output created by 163
    +./common/btrfs: line 405: _require_loadable_fs_module: command not found
     -- golden --
     0000000 abab abab abab abab abab abab abab abab
     *
     20000000
    +./common/btrfs: line 412: _reload_fs_module: command not found
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/btrfs/163.out /lkp/benchmarks/xfstests/results//btrfs/163.out.bad'  to see the entire diff)
btrfs/164	[not run] Require module btrfs to be unloadable
btrfs/165	 1s
btrfs/166	 1s
btrfs/167	 2s
btrfs/168	 1s
btrfs/169	 2s
btrfs/170	 0s
btrfs/171	 1s
btrfs/172	[not run] This test requires a valid $LOGWRITES_DEV
btrfs/173	 1s
btrfs/174	 1s
btrfs/175	 15s
btrfs/176	 6s
btrfs/177	 8s
btrfs/178	 1s
btrfs/179	_check_btrfs_filesystem: filesystem on /dev/sdb2 is inconsistent
(see /lkp/benchmarks/xfstests/results//btrfs/179.full for details)

btrfs/180	 4s
btrfs/181	 3s
btrfs/182	 3s
btrfs/183	 1s
btrfs/184	 2s
btrfs/185	 1s
btrfs/186	 1s
btrfs/187	 192s
btrfs/188	 1s
btrfs/189	 2s
btrfs/190	[not run] This test requires a valid $LOGWRITES_DEV
btrfs/191	 2s
btrfs/192	[not run] This test requires a valid $LOGWRITES_DEV
btrfs/193	 2s
btrfs/194	 181s
btrfs/195	 489s
btrfs/196	[not run] This test requires a valid $LOGWRITES_DEV
btrfs/197	 7s
btrfs/198	 3s
btrfs/199	 10s
Ran: btrfs/150 btrfs/151 btrfs/152 btrfs/153 btrfs/155 btrfs/156 btrfs/157 btrfs/158 btrfs/159 btrfs/160 btrfs/161 btrfs/162 btrfs/163 btrfs/164 btrfs/165 btrfs/166 btrfs/167 btrfs/168 btrfs/169 btrfs/170 btrfs/171 btrfs/172 btrfs/173 btrfs/174 btrfs/175 btrfs/176 btrfs/177 btrfs/178 btrfs/179 btrfs/180 btrfs/181 btrfs/182 btrfs/183 btrfs/184 btrfs/185 btrfs/186 btrfs/187 btrfs/188 btrfs/189 btrfs/190 btrfs/191 btrfs/192 btrfs/193 btrfs/194 btrfs/195 btrfs/196 btrfs/197 btrfs/198 btrfs/199
Not run: btrfs/156 btrfs/164 btrfs/172 btrfs/190 btrfs/192 btrfs/196
Failures: btrfs/163 btrfs/179
Failed 2 of 49 tests




To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Oliver Sang


View attachment "config-5.10.0-rc5-00155-gccb0edc68b69" of type "text/plain" (170142 bytes)

View attachment "job-script" of type "text/plain" (5749 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (45096 bytes)

View attachment "xfstests" of type "text/plain" (3508 bytes)

View attachment "job.yaml" of type "text/plain" (4829 bytes)

View attachment "reproduce" of type "text/plain" (1405 bytes)

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